Add tutorial for bare metal installation

docs/admin/installation/bare-metal.md

@@ -0,0 +1,105 @@
+---
+sidebar_position: 4
+id: bare-metal
+title: Quickstart Bare - Metal
+---
+<br/><br/>
+
+## User Guide for Installing OpenCloud
+Follow the steps below to install and configure OpenCloud on your system.<br/>
+This example is on Linux Ubuntu distribution!
+<br/><br/>
+
+---
+
+### Step 1: Install Git and clone the repository
+
+1. Open a terminal.
+2. Update your package list:
+   ```bash
+   sudo apt update
+   ```
+3. Install Git using the following command:
+   ```bash
+   sudo apt install git
+   ```
+4. Clone the OpenCloud repository:
+   ```bash
+   git clone https://github.com/opencloud-eu/opencloud.git
+   ```
+<br/><br/>
+
+---
+
+### Step 2: Update system and install required packages
+
+1. Install the golang package:
+   ```bash
+   sudo apt install golang -y
+   ```
+
+2. Install npm (Node Package Manager):
+   ```bash
+   sudo apt install npm -y
+   ```
+
+3. Install corepack globally:
+   ```bash
+   sudo npm install -g corepack
+   ```
+
+4. Enable `pnpm` using corepack:
+   ```bash
+   corepack enable pnpm
+   ```
+<br/><br/>
+
+---
+
+### Step 3: Build process and OpenCloud initialization
+
+1. Navigate to the OpenCloud directory:
+   ```bash
+   cd opencloud
+   ```
+
+2. Run the generate process:
+   ```bash
+   make clean generate
+   ```
+
+3. Build OpenCloud:
+   ```bash
+   make clean build
+   ```
+
+4. Initialize OpenCloud with insecure configuration and set an admin password:
+   ```bash
+   ./bin/opencloud init --insecure true --admin-password admin
+   ```
+
+5. Start the OpenCloud server:
+   ```bash
+   ./bin/opencloud server
+   ```
+<br/><br/>
+
+---
+
+### 4. Login
+
+Login with your browser:
+- [https://cloud.opencloud.test](https://cloud.opencloud.test)
+- user: **admin**
+- password: **admin**
+
+Congratulations! You’ve successfully set up and launched OpenCloud! Happy hacking!
+
+<img src={require("./img/bare-metal/login.png").default} alt="Admin general" width="1920"/>
+<br/><br/>
+
+--- 
+
+### Conclusion
+
+Your OpenCloud server is now running and ready to use 🚀